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NCJ Number: NCJ 178890     Find in a Library
Title: Effects of NIBRS on Crime Statistics
  Document URL: Text PDF 
  Agency Summary: Agency Summary 
Author(s): Ramona R. Rantala ; Thomas J. Edwards
  Editor(s): Tom Hester
Corporate Author: Bureau of Justice Statistics (BJS)
US Dept of Justice
Office of Justice Programs
United States of America
Date Published: 07/2000
Page Count: 15
  Series: BJS Special Reports
  Annotation: This study compares the data from Federal Bureau of Investigation Summary Uniform Crime Reports and National Incident-Based Reporting System (NIBRS) for 1,131 agencies.
Abstract: Using data from 1991 to 1996, this study identifies which Index crime rates are most affected by NIBRS reporting and examines the extent to which rates change. The following underlying causes for these differences are investigated: structural differences, non-uniform reporting practices, reporting errors, and software coding errors. When comparing data from the same year for the jurisdictions in this study, NIBRS rates differ only slightly from Summary UCR. Murder rates are the same. Rape, robbery, and aggravated assault rates in NIBRS are about 1 percent higher, on average, than in Summary UCR. NIBRS burglary rates are lower by an average 0.5 percent. NIBRS larceny rates are higher by an average 3.4 percent. NIBRS motor vehicle theft rates are higher by an average 4.5 percent.
Main Term(s): Crime Statistics
Index Term(s): Offense classification ; Index crimes ; Data integrity ; Police reports ; Uniform crime reporting ; Data collection
Sale Source: NCJRS Photocopy Services
Box 6000
Rockville, MD 20849-6000
United States of America

Indiana University Purdue University, Research Support Funds
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Indianapolis, IN 46202
United States of America
Type: Report (Study/Research)
Country: United States of America
Language: English
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